#pragma once

#include <uapi/cdefs.h>

/*
 * ELF definitions that are independent of architecture or word size.
 */

/*
 * Note header.  The ".note" section contains an array of notes.  Each
 * begins with this header, aligned to a word boundary.  Immediately
 * following the note header is n_namesz bytes of name, padded to the
 * next word boundary.  Then comes n_descsz bytes of descriptor, again
 * padded to a word boundary.  The values of n_namesz and n_descsz do
 * not include the padding.
 */

typedef struct elf_note {
    uint32_t n_namesz; /* Length of name. */
    uint32_t n_descsz; /* Length of descriptor. */
    uint32_t n_type;   /* Type of this note. */
} Elf_Note;

/*
 * Option kinds.
 */
#define ODK_NULL 0       /* undefined */
#define ODK_REGINFO 1    /* register usage info */
#define ODK_EXCEPTIONS 2 /* exception processing info */
#define ODK_PAD 3        /* section padding */
#define ODK_HWPATCH 4    /* hardware patch applied */
#define ODK_FILL 5       /* fill value used by the linker */
#define ODK_TAGS 6       /* reserved space for tools */
#define ODK_HWAND 7      /* hardware AND patch applied */
#define ODK_HWOR 8       /* hardware OR patch applied */
#define ODK_GP_GROUP 9   /* GP group for text/data sections */
#define ODK_IDENT 10     /* ID information */
#define ODK_PAGESIZE 11  /* page size information */

/*
 * ODK_EXCEPTIONS info field masks.
 */
#define OEX_FPU_MIN 0x0000001f   /* min FPU exception required */
#define OEX_FPU_MAX 0x00001f00   /* max FPU exception allowed */
#define OEX_PAGE0 0x00010000     /* page zero must be mapped */
#define OEX_SMM 0x00020000       /* run in sequential memory mode */
#define OEX_PRECISEFP 0x00040000 /* run in precise FP exception mode */
#define OEX_DISMISS 0x00080000   /* dismiss invalid address traps */

/*
 * ODK_PAD info field masks.
 */
#define OPAD_PREFIX 0x0001
#define OPAD_POSTFIX 0x0002
#define OPAD_SYMBOL 0x0004

/*
 * ODK_HWPATCH info field masks.
 */
#define OHW_R4KEOP 0x00000001    /* patch for R4000 branch at end-of-page bug */
#define OHW_R8KPFETCH 0x00000002 /* R8000 prefetch bug may occur */
#define OHW_R5KEOP 0x00000004    /* patch for R5000 branch at end-of-page bug */
#define OHW_R5KCVTL 0x00000008   /* R5000 cvt.[ds].l bug: clean == 1 */
#define OHW_R10KLDL 0x00000010UL /* need patch for R10000 misaligned load */

/*
 * ODK_HWAND/ODK_HWOR info field and hwp_flags[12] masks.
 */
#define OHWA0_R4KEOP_CHECKED 0x00000001 /* object checked for R4000 end-of-page bug */
#define OHWA0_R4KEOP_CLEAN 0x00000002   /* object verified clean for R4000 end-of-page bug */
#define OHWO0_FIXADE 0x00000001         /* object requires call to fixade */

/*
 * ODK_IDENT/ODK_GP_GROUP info field masks.
 */
#define OGP_GROUP 0x0000ffff /* GP group number */
#define OGP_SELF 0x00010000  /* GP group is self-contained */

/*
 * The header for GNU-style hash sections.
 */

typedef struct {
    uint32_t gh_nbuckets;  /* Number of hash buckets. */
    uint32_t gh_symndx;    /* First visible symbol in .dynsym. */
    uint32_t gh_maskwords; /* #maskwords used in bloom filter. */
    uint32_t gh_shift2;    /* Bloom filter shift count. */
} Elf_GNU_Hash_Header;

/* Indexes into the e_ident array.  Keep synced with
   http://www.sco.com/developers/gabi/latest/ch4.eheader.html */
#define EI_MAG0 0       /* Magic number, byte 0. */
#define EI_MAG1 1       /* Magic number, byte 1. */
#define EI_MAG2 2       /* Magic number, byte 2. */
#define EI_MAG3 3       /* Magic number, byte 3. */
#define EI_CLASS 4      /* Class of machine. */
#define EI_DATA 5       /* Data format. */
#define EI_VERSION 6    /* ELF format version. */
#define EI_OSABI 7      /* Operating system / ABI identification */
#define EI_ABIVERSION 8 /* ABI version */
#define OLD_EI_BRAND 8  /* Start of architecture identification. */
#define EI_PAD 9        /* Start of padding (per SVR4 ABI). */
#define EI_NIDENT 16    /* Size of e_ident array. */

/* Values for the magic number bytes. */
#define ELFMAG0 0x7f
#define ELFMAG1 'E'
#define ELFMAG2 'L'
#define ELFMAG3 'F'
#define ELFMAG "\177ELF" /* magic string */
#define SELFMAG 4        /* magic string size */

/* Values for e_ident[EI_VERSION] and e_version. */
#define EV_NONE 0
#define EV_CURRENT 1

/* Values for e_ident[EI_CLASS]. */
#define ELFCLASSNONE 0 /* Unknown class. */
#define ELFCLASS32 1   /* 32-bit architecture. */
#define ELFCLASS64 2   /* 64-bit architecture. */

/* Values for e_ident[EI_DATA]. */
#define ELFDATANONE 0 /* Unknown data format. */
#define ELFDATA2LSB 1 /* 2's complement little-endian. */
#define ELFDATA2MSB 2 /* 2's complement big-endian. */

/* Values for e_ident[EI_OSABI]. */
#define ELFOSABI_NONE 0         /* UNIX System V ABI */
#define ELFOSABI_HPUX 1         /* HP-UX operating system */
#define ELFOSABI_NETBSD 2       /* NetBSD */
#define ELFOSABI_LINUX 3        /* GNU/Linux */
#define ELFOSABI_HURD 4         /* GNU/Hurd */
#define ELFOSABI_86OPEN 5       /* 86Open common IA32 ABI */
#define ELFOSABI_SOLARIS 6      /* Solaris */
#define ELFOSABI_AIX 7          /* AIX */
#define ELFOSABI_IRIX 8         /* IRIX */
#define ELFOSABI_FREEBSD 9      /* FreeBSD */
#define ELFOSABI_TRU64 10       /* TRU64 UNIX */
#define ELFOSABI_MODESTO 11     /* Novell Modesto */
#define ELFOSABI_OPENBSD 12     /* OpenBSD */
#define ELFOSABI_OPENVMS 13     /* Open VMS */
#define ELFOSABI_NSK 14         /* HP Non-Stop Kernel */
#define ELFOSABI_AROS 15        /* Amiga Research OS */
#define ELFOSABI_FENIXOS 16     /* FenixOS */
#define ELFOSABI_CLOUDABI 17    /* Nuxi CloudABI */
#define ELFOSABI_ARM_AEABI 64   /* ARM EABI */
#define ELFOSABI_ARM 97         /* ARM */
#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */

#define ELFOSABI_SYSV ELFOSABI_NONE    /* symbol used in old spec */
#define ELFOSABI_MONTEREY ELFOSABI_AIX /* Monterey */
#define ELFOSABI_GNU ELFOSABI_LINUX

/* e_ident */
#define IS_ELF(ehdr)                                                                               \
    ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && (ehdr).e_ident[EI_MAG1] == ELFMAG1 &&                   \
     (ehdr).e_ident[EI_MAG2] == ELFMAG2 && (ehdr).e_ident[EI_MAG3] == ELFMAG3)

/* Values for e_type. */
#define ET_NONE 0        /* Unknown type. */
#define ET_REL 1         /* Relocatable. */
#define ET_EXEC 2        /* Executable. */
#define ET_DYN 3         /* Shared object. */
#define ET_CORE 4        /* Core file. */
#define ET_LOOS 0xfe00   /* First operating system specific. */
#define ET_HIOS 0xfeff   /* Last operating system-specific. */
#define ET_LOPROC 0xff00 /* First processor-specific. */
#define ET_HIPROC 0xffff /* Last processor-specific. */

/* Values for e_machine. */
#define EM_NONE 0          /* Unknown machine. */
#define EM_M32 1           /* AT&T WE32100. */
#define EM_SPARC 2         /* Sun SPARC. */
#define EM_386 3           /* Intel i386. */
#define EM_68K 4           /* Motorola 68000. */
#define EM_88K 5           /* Motorola 88000. */
#define EM_IAMCU 6         /* Intel MCU. */
#define EM_860 7           /* Intel i860. */
#define EM_MIPS 8          /* MIPS R3000 Big-Endian only. */
#define EM_S370 9          /* IBM System/370. */
#define EM_MIPS_RS3_LE 10  /* MIPS R3000 Little-Endian. */
#define EM_PARISC 15       /* HP PA-RISC. */
#define EM_VPP500 17       /* Fujitsu VPP500. */
#define EM_SPARC32PLUS 18  /* SPARC v8plus. */
#define EM_960 19          /* Intel 80960. */
#define EM_PPC 20          /* PowerPC 32-bit. */
#define EM_PPC64 21        /* PowerPC 64-bit. */
#define EM_S390 22         /* IBM System/390. */
#define EM_V800 36         /* NEC V800. */
#define EM_FR20 37         /* Fujitsu FR20. */
#define EM_RH32 38         /* TRW RH-32. */
#define EM_RCE 39          /* Motorola RCE. */
#define EM_ARM 40          /* ARM. */
#define EM_SH 42           /* Hitachi SH. */
#define EM_SPARCV9 43      /* SPARC v9 64-bit. */
#define EM_TRICORE 44      /* Siemens TriCore embedded processor. */
#define EM_ARC 45          /* Argonaut RISC Core. */
#define EM_H8_300 46       /* Hitachi H8/300. */
#define EM_H8_300H 47      /* Hitachi H8/300H. */
#define EM_H8S 48          /* Hitachi H8S. */
#define EM_H8_500 49       /* Hitachi H8/500. */
#define EM_IA_64 50        /* Intel IA-64 Processor. */
#define EM_MIPS_X 51       /* Stanford MIPS-X. */
#define EM_COLDFIRE 52     /* Motorola ColdFire. */
#define EM_68HC12 53       /* Motorola M68HC12. */
#define EM_MMA 54          /* Fujitsu MMA. */
#define EM_PCP 55          /* Siemens PCP. */
#define EM_NCPU 56         /* Sony nCPU. */
#define EM_NDR1 57         /* Denso NDR1 microprocessor. */
#define EM_STARCORE 58     /* Motorola Star*Core processor. */
#define EM_ME16 59         /* Toyota ME16 processor. */
#define EM_ST100 60        /* STMicroelectronics ST100 processor. */
#define EM_TINYJ 61        /* Advanced Logic Corp. TinyJ processor. */
#define EM_X86_64 62       /* Advanced Micro Devices x86-64 */
#define EM_AMD64 EM_X86_64 /* Advanced Micro Devices x86-64 (compat) */
#define EM_PDSP 63         /* Sony DSP Processor. */
#define EM_FX66 66         /* Siemens FX66 microcontroller. */
#define EM_ST9PLUS                                                                                 \
    67 /* STMicroelectronics ST9+ 8/16                                                             \
  microcontroller. */
#define EM_ST7                                                                                     \
    68               /* STmicroelectronics ST7 8-bit                                               \
                microcontroller. */
#define EM_68HC16 69 /* Motorola MC68HC16 microcontroller. */
#define EM_68HC11 70 /* Motorola MC68HC11 microcontroller. */
#define EM_68HC08 71 /* Motorola MC68HC08 microcontroller. */
#define EM_68HC05 72 /* Motorola MC68HC05 microcontroller. */
#define EM_SVX 73    /* Silicon Graphics SVx. */
#define EM_ST19 74   /* STMicroelectronics ST19 8-bit mc. */
#define EM_VAX 75    /* Digital VAX. */
#define EM_CRIS                                                                                    \
    76 /* Axis Communications 32-bit embedded                                                      \
  processor. */
#define EM_JAVELIN                                                                                 \
    77                 /* Infineon Technologies 32-bit embedded                                    \
                  processor. */
#define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor. */
#define EM_ZSP 79      /* LSI Logic 16-bit DSP Processor. */
#define EM_MMIX 80     /* Donald Knuth's educational 64-bit proc. */
#define EM_HUANY                                                                                   \
    81                  /* Harvard University machine-independent                                  \
                   object files. */
#define EM_PRISM 82     /* SiTera Prism. */
#define EM_AVR 83       /* Atmel AVR 8-bit microcontroller. */
#define EM_FR30 84      /* Fujitsu FR30. */
#define EM_D10V 85      /* Mitsubishi D10V. */
#define EM_D30V 86      /* Mitsubishi D30V. */
#define EM_V850 87      /* NEC v850. */
#define EM_M32R 88      /* Mitsubishi M32R. */
#define EM_MN10300 89   /* Matsushita MN10300. */
#define EM_MN10200 90   /* Matsushita MN10200. */
#define EM_PJ 91        /* picoJava. */
#define EM_OPENRISC 92  /* OpenRISC 32-bit embedded processor. */
#define EM_ARC_A5 93    /* ARC Cores Tangent-A5. */
#define EM_XTENSA 94    /* Tensilica Xtensa Architecture. */
#define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor. */
#define EM_TMM_GPP                                                                                 \
    96               /* Thompson Multimedia General Purpose                                        \
                Processor. */
#define EM_NS32K 97  /* National Semiconductor 32000 series. */
#define EM_TPC 98    /* Tenor Network TPC processor. */
#define EM_SNP1K 99  /* Trebia SNP 1000 processor. */
#define EM_ST200 100 /* STMicroelectronics ST200 microcontroller. */
#define EM_IP2K 101  /* Ubicom IP2xxx microcontroller family. */
#define EM_MAX 102   /* MAX Processor. */
#define EM_CR                                                                                      \
    103               /* National Semiconductor CompactRISC                                        \
                 microprocessor. */
#define EM_F2MC16 104 /* Fujitsu F2MC16. */
#define EM_MSP430                                                                                  \
    105                 /* Texas Instruments embedded microcontroller                              \
                   msp430. */
#define EM_BLACKFIN 106 /* Analog Devices Blackfin (DSP) processor. */
#define EM_SE_C33 107   /* S1C33 Family of Seiko Epson processors. */
#define EM_SEP 108      /* Sharp embedded microprocessor. */
#define EM_ARCA 109     /* Arca RISC Microprocessor. */
#define EM_UNICORE                                                                                 \
    110                /* Microprocessor series from PKU-Unity Ltd.                                \
                  and MPRC of Peking University */
#define EM_AARCH64 183 /* AArch64 (64-bit ARM) */
#define EM_RISCV 243   /* RISC-V */

/* Non-standard or deprecated. */
#define EM_486 6          /* Intel i486. */
#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */
#define EM_ALPHA_STD 41   /* Digital Alpha (standard value). */
#define EM_ALPHA 0x9026   /* Alpha (written in the absence of an ABI) */

/**
 * e_flags
 */
#define EF_ARM_RELEXEC 0x1
#define EF_ARM_HASENTRY 0x2
#define EF_ARM_SYMSARESORTED 0x4
#define EF_ARM_DYNSYMSUSESEGIDX 0x8
#define EF_ARM_MAPSYMSFIRST 0x10
#define EF_ARM_LE8 0x00400000
#define EF_ARM_BE8 0x00800000
#define EF_ARM_EABIMASK 0xFF000000
#define EF_ARM_EABI_UNKNOWN 0x00000000
#define EF_ARM_EABI_VER1 0x01000000
#define EF_ARM_EABI_VER2 0x02000000
#define EF_ARM_EABI_VER3 0x03000000
#define EF_ARM_EABI_VER4 0x04000000
#define EF_ARM_EABI_VER5 0x05000000
#define EF_ARM_INTERWORK 0x00000004
#define EF_ARM_APCS_26 0x00000008
#define EF_ARM_APCS_FLOAT 0x00000010
#define EF_ARM_PIC 0x00000020
#define EF_ARM_ALIGN8 0x00000040
#define EF_ARM_NEW_ABI 0x00000080
#define EF_ARM_OLD_ABI 0x00000100
#define EF_ARM_SOFT_FLOAT 0x00000200
#define EF_ARM_VFP_FLOAT 0x00000400
#define EF_ARM_MAVERICK_FLOAT 0x00000800

#define EF_MIPS_NOREORDER 0x00000001
#define EF_MIPS_PIC 0x00000002  /* Contains PIC code */
#define EF_MIPS_CPIC 0x00000004 /* STD PIC calling sequence */
#define EF_MIPS_UCODE 0x00000010
#define EF_MIPS_ABI2 0x00000020 /* N32 */
#define EF_MIPS_OPTIONS_FIRST 0x00000080
#define EF_MIPS_ARCH_ASE 0x0F000000      /* Architectural extensions */
#define EF_MIPS_ARCH_ASE_MDMX 0x08000000 /* MDMX multimedia extension */
#define EF_MIPS_ARCH_ASE_M16 0x04000000  /* MIPS-16 ISA extensions */
#define EF_MIPS_ARCH 0xF0000000          /* Architecture field */

#define EF_PPC_EMB 0x80000000
#define EF_PPC_RELOCATABLE 0x00010000
#define EF_PPC_RELOCATABLE_LIB 0x00008000

#define EF_SPARC_EXT_MASK 0x00ffff00
#define EF_SPARC_32PLUS 0x00000100
#define EF_SPARC_SUN_US1 0x00000200
#define EF_SPARC_HAL_R1 0x00000200
#define EF_SPARC_SUN_US3 0x00000800

#define EF_SPARCV9_MM 0x00000003
#define EF_SPARCV9_TSO 0x00000000
#define EF_SPARCV9_PSO 0x00000001
#define EF_SPARCV9_RMO 0x00000002

/* Special section indexes. */
#define SHN_UNDEF 0          /* Undefined, missing, irrelevant. */
#define SHN_LORESERVE 0xff00 /* First of reserved range. */
#define SHN_LOPROC 0xff00    /* First processor-specific. */
#define SHN_HIPROC 0xff1f    /* Last processor-specific. */
#define SHN_LOOS 0xff20      /* First operating system-specific. */
#define SHN_FBSD_CACHED                                                                            \
    SHN_LOOS                 /* Transient, for sys/kern/link_elf_obj                               \
                linker only: Cached global in local                                                \
                symtab. */
#define SHN_HIOS 0xff3f      /* Last operating system-specific. */
#define SHN_ABS 0xfff1       /* Absolute values. */
#define SHN_COMMON 0xfff2    /* Common data. */
#define SHN_XINDEX 0xffff    /* Escape -- index stored elsewhere. */
#define SHN_HIRESERVE 0xffff /* Last of reserved range. */

/* sh_type */
#define SHT_NULL 0           /* inactive */
#define SHT_PROGBITS 1       /* program defined information */
#define SHT_SYMTAB 2         /* symbol table section */
#define SHT_STRTAB 3         /* string table section */
#define SHT_RELA 4           /* relocation section with addends */
#define SHT_HASH 5           /* symbol hash table section */
#define SHT_DYNAMIC 6        /* dynamic section */
#define SHT_NOTE 7           /* note section */
#define SHT_NOBITS 8         /* no space section */
#define SHT_REL 9            /* relocation section - no addends */
#define SHT_SHLIB 10         /* reserved - purpose unknown */
#define SHT_DYNSYM 11        /* dynamic symbol table section */
#define SHT_INIT_ARRAY 14    /* Initialization function pointers. */
#define SHT_FINI_ARRAY 15    /* Termination function pointers. */
#define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs. */
#define SHT_GROUP 17         /* Section group. */
#define SHT_SYMTAB_SHNDX 18  /* Section indexes (see SHN_XINDEX). */
#define SHT_LOOS 0x60000000  /* First of OS specific semantics */
#define SHT_LOSUNW 0x6ffffff4
#define SHT_SUNW_dof 0x6ffffff4
#define SHT_SUNW_cap 0x6ffffff5
#define SHT_GNU_ATTRIBUTES 0x6ffffff5
#define SHT_SUNW_SIGNATURE 0x6ffffff6
#define SHT_GNU_HASH 0x6ffffff6
#define SHT_GNU_LIBLIST 0x6ffffff7
#define SHT_SUNW_ANNOTATE 0x6ffffff7
#define SHT_SUNW_DEBUGSTR 0x6ffffff8
#define SHT_SUNW_DEBUG 0x6ffffff9
#define SHT_SUNW_move 0x6ffffffa
#define SHT_SUNW_COMDAT 0x6ffffffb
#define SHT_SUNW_syminfo 0x6ffffffc
#define SHT_SUNW_verdef 0x6ffffffd
#define SHT_GNU_verdef 0x6ffffffd /* Symbol versions provided */
#define SHT_SUNW_verneed 0x6ffffffe
#define SHT_GNU_verneed 0x6ffffffe /* Symbol versions required */
#define SHT_SUNW_versym 0x6fffffff
#define SHT_GNU_versym 0x6fffffff /* Symbol version table */
#define SHT_HISUNW 0x6fffffff
#define SHT_HIOS 0x6fffffff          /* Last of OS specific semantics */
#define SHT_LOPROC 0x70000000        /* reserved range for processor */
#define SHT_X86_64_UNWIND 0x70000001 /* unwind information */
#define SHT_AMD64_UNWIND SHT_X86_64_UNWIND

#define SHT_ARM_EXIDX 0x70000001 /* Exception index table. */
#define SHT_ARM_PREEMPTMAP                                                                         \
    0x70000002 /* BPABI DLL dynamic linking                                                        \
  pre-emption map. */
#define SHT_ARM_ATTRIBUTES                                                                         \
    0x70000003                            /* Object file compatibility                             \
                             attributes. */
#define SHT_ARM_DEBUGOVERLAY 0x70000004   /* See DBGOVL for details. */
#define SHT_ARM_OVERLAYSECTION 0x70000005 /* See DBGOVL for details. */
#define SHT_MIPS_LIBLIST 0x70000000
#define SHT_MIPS_MSYM 0x70000001
#define SHT_MIPS_CONFLICT 0x70000002
#define SHT_MIPS_GPTAB 0x70000003
#define SHT_MIPS_UCODE 0x70000004
#define SHT_MIPS_DEBUG 0x70000005
#define SHT_MIPS_REGINFO 0x70000006
#define SHT_MIPS_PACKAGE 0x70000007
#define SHT_MIPS_PACKSYM 0x70000008
#define SHT_MIPS_RELD 0x70000009
#define SHT_MIPS_IFACE 0x7000000b
#define SHT_MIPS_CONTENT 0x7000000c
#define SHT_MIPS_OPTIONS 0x7000000d
#define SHT_MIPS_DELTASYM 0x7000001b
#define SHT_MIPS_DELTAINST 0x7000001c
#define SHT_MIPS_DELTACLASS 0x7000001d
#define SHT_MIPS_DWARF 0x7000001e /* MIPS gcc uses MIPS_DWARF */
#define SHT_MIPS_DELTADECL 0x7000001f
#define SHT_MIPS_SYMBOL_LIB 0x70000020
#define SHT_MIPS_EVENTS 0x70000021
#define SHT_MIPS_TRANSLATE 0x70000022
#define SHT_MIPS_PIXIE 0x70000023
#define SHT_MIPS_XLATE 0x70000024
#define SHT_MIPS_XLATE_DEBUG 0x70000025
#define SHT_MIPS_WHIRL 0x70000026
#define SHT_MIPS_EH_REGION 0x70000027
#define SHT_MIPS_XLATE_OLD 0x70000028
#define SHT_MIPS_PDR_EXCEPTION 0x70000029
#define SHT_MIPS_ABIFLAGS 0x7000002a

#define SHT_SPARC_GOTDATA 0x70000000

#define SHTORDERED
#define SHT_HIPROC 0x7fffffff /* specific section header types */
#define SHT_LOUSER 0x80000000 /* reserved range for application */
#define SHT_HIUSER 0xffffffff /* specific indexes */

/* Flags for sh_flags. */
#define SHF_WRITE 0x1              /* Section contains writable data. */
#define SHF_ALLOC 0x2              /* Section occupies memory. */
#define SHF_EXECINSTR 0x4          /* Section contains instructions. */
#define SHF_MERGE 0x10             /* Section may be merged. */
#define SHF_STRINGS 0x20           /* Section contains strings. */
#define SHF_INFO_LINK 0x40         /* sh_info holds section index. */
#define SHF_LINK_ORDER 0x80        /* Special ordering requirements. */
#define SHF_OS_NONCONFORMING 0x100 /* OS-specific processing required. */
#define SHF_GROUP 0x200            /* Member of section group. */
#define SHF_TLS 0x400              /* Section contains TLS data. */
#define SHF_COMPRESSED 0x800       /* Section contains compressed data. */
#define SHF_MASKOS 0x0ff00000      /* OS-specific semantics. */
#define SHF_MASKPROC 0xf0000000    /* Processor-specific semantics. */

/* Flags for section groups. */
#define GRP_COMDAT 0x1 /* COMDAT semantics. */

/*
 * Flags / mask for .gnu.versym sections.
 */
#define VERSYM_VERSION 0x7fff
#define VERSYM_HIDDEN 0x8000

/* Values for p_type. */
#define PT_NULL 0                 /* Unused entry. */
#define PT_LOAD 1                 /* Loadable segment. */
#define PT_DYNAMIC 2              /* Dynamic linking information segment. */
#define PT_INTERP 3               /* Pathname of interpreter. */
#define PT_NOTE 4                 /* Auxiliary information. */
#define PT_SHLIB 5                /* Reserved (not used). */
#define PT_PHDR 6                 /* Location of program header itself. */
#define PT_TLS 7                  /* Thread local storage segment */
#define PT_LOOS 0x60000000        /* First OS-specific. */
#define PT_SUNW_UNWIND 0x6464e550 /* amd64 UNWIND program header */
#define PT_GNU_EH_FRAME 0x6474e550
#define PT_GNU_STACK 0x6474e551
#define PT_GNU_RELRO 0x6474e552
#define PT_DUMP_DELTA                                                                              \
    0x6fb5d000 /* va->pa map for kernel dumps                                                      \
  (currently arm). */
#define PT_LOSUNW 0x6ffffffa
#define PT_SUNWBSS 0x6ffffffa    /* Sun Specific segment */
#define PT_SUNWSTACK 0x6ffffffb  /* describes the stack segment */
#define PT_SUNWDTRACE 0x6ffffffc /* private */
#define PT_SUNWCAP 0x6ffffffd    /* hard/soft capabilities segment */
#define PT_HISUNW 0x6fffffff
#define PT_HIOS 0x6fffffff        /* Last OS-specific. */
#define PT_LOPROC 0x70000000      /* First processor-specific type. */
#define PT_ARM_ARCHEXT 0x70000000 /* ARM arch compat information. */
#define PT_ARM_EXIDX 0x70000001   /* ARM exception unwind tables. */
#define PT_HIPROC 0x7fffffff      /* Last processor-specific type. */

/* Values for p_flags. */
#define PF_X 0x1               /* Executable. */
#define PF_W 0x2               /* Writable. */
#define PF_R 0x4               /* Readable. */
#define PF_MASKOS 0x0ff00000   /* Operating system-specific. */
#define PF_MASKPROC 0xf0000000 /* Processor-specific. */

/* Extended program header index. */
#define PN_XNUM 0xffff

/* Values for d_tag. */
#define DT_NULL 0 /* Terminating entry. */
#define DT_NEEDED                                                                                  \
    1                 /* String table offset of a needed shared                                    \
                 library. */
#define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */
#define DT_PLTGOT 3   /* Processor-dependent address. */
#define DT_HASH 4     /* Address of symbol hash table. */
#define DT_STRTAB 5   /* Address of string table. */
#define DT_SYMTAB 6   /* Address of symbol table. */
#define DT_RELA 7     /* Address of ElfNN_Rela relocations. */
#define DT_RELASZ 8   /* Total size of ElfNN_Rela relocations. */
#define DT_RELAENT 9  /* Size of each ElfNN_Rela relocation entry. */
#define DT_STRSZ 10   /* Size of string table. */
#define DT_SYMENT 11  /* Size of each symbol table entry. */
#define DT_INIT 12    /* Address of initialization function. */
#define DT_FINI 13    /* Address of finalization function. */
#define DT_SONAME                                                                                  \
    14                 /* String table offset of shared object                                     \
                  name. */
#define DT_RPATH 15    /* String table offset of library path. [sup] */
#define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */
#define DT_REL 17      /* Address of ElfNN_Rel relocations. */
#define DT_RELSZ 18    /* Total size of ElfNN_Rel relocations. */
#define DT_RELENT 19   /* Size of each ElfNN_Rel relocation. */
#define DT_PLTREL 20   /* Type of relocation used for PLT. */
#define DT_DEBUG 21    /* Reserved (not used). */
#define DT_TEXTREL                                                                                 \
    22                 /* Indicates there may be relocations in                                    \
                  non-writable segments. [sup] */
#define DT_JMPREL 23   /* Address of PLT relocations. */
#define DT_BIND_NOW 24 /* [sup] */
#define DT_INIT_ARRAY                                                                              \
    25 /* Address of the array of pointers to                                                      \
initialization functions */
#define DT_FINI_ARRAY                                                                              \
    26 /* Address of the array of pointers to                                                      \
termination functions */
#define DT_INIT_ARRAYSZ                                                                            \
    27 /* Size in bytes of the array of                                                            \
initialization functions. */
#define DT_FINI_ARRAYSZ                                                                            \
    28 /* Size in bytes of the array of                                                            \
termination functions. */
#define DT_RUNPATH                                                                                 \
    29              /* String table offset of a null-terminated                                    \
               library search path string. */
#define DT_FLAGS 30 /* Object specific flag values. */
#define DT_ENCODING                                                                                \
    32 /* Values greater than or equal to DT_ENCODING                                              \
  and less than DT_LOOS follow the rules for                                                       \
  the interpretation of the d_un union                                                             \
  as follows: even == 'd_ptr', odd == 'd_val'                                                      \
  or none */
#define DT_PREINIT_ARRAY                                                                           \
    32 /* Address of the array of pointers to                                                      \
pre-initialization functions. */
#define DT_PREINIT_ARRAYSZ                                                                         \
    33                               /* Size in bytes of the array of                              \
                        pre-initialization functions. */
#define DT_MAXPOSTAGS 34             /* number of positive tags */
#define DT_LOOS 0x6000000d           /* First OS-specific */
#define DT_SUNW_AUXILIARY 0x6000000d /* symbol auxiliary name */
#define DT_SUNW_RTLDINF 0x6000000e   /* ld.so.1 info (private) */
#define DT_SUNW_FILTER 0x6000000f    /* symbol filter name */
#define DT_SUNW_CAP 0x60000010       /* hardware/software */
#define DT_HIOS 0x6ffff000           /* Last OS-specific */

/*
 * DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the
 * Dyn.d_un.d_val field of the Elf*_Dyn structure.
 */
#define DT_VALRNGLO 0x6ffffd00
#define DT_GNU_PRELINKED 0x6ffffdf5  /* prelinking timestamp */
#define DT_GNU_CONFLICTSZ 0x6ffffdf6 /* size of conflict section */
#define DT_GNU_LIBLISTSZ 0x6ffffdf7  /* size of library list */
#define DT_CHECKSUM 0x6ffffdf8       /* elf checksum */
#define DT_PLTPADSZ 0x6ffffdf9       /* pltpadding size */
#define DT_MOVEENT 0x6ffffdfa        /* move table entry size */
#define DT_MOVESZ 0x6ffffdfb         /* move table size */
#define DT_FEATURE 0x6ffffdfc        /* feature holder */
#define DT_FEATURE_1 DT_FEATURE
#define DT_POSFLAG_1 0x6ffffdfd /* flags for DT_* entries, effecting */
                                /*	the following DT_* entry. */
                                /*	See DF_P1_* definitions */
#define DT_SYMINSZ 0x6ffffdfe   /* syminfo table size (in bytes) */
#define DT_SYMINENT 0x6ffffdff  /* syminfo entry size (in bytes) */
#define DT_VALRNGHI 0x6ffffdff

/*
 * DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the
 * Dyn.d_un.d_ptr field of the Elf*_Dyn structure.
 *
 * If any adjustment is made to the ELF object after it has been
 * built, these entries will need to be adjusted.
 */
#define DT_ADDRRNGLO 0x6ffffe00
#define DT_GNU_HASH 0x6ffffef5     /* GNU-style hash table */
#define DT_TLSDESC_PLT 0x6ffffef6  /* loc. of PLT for tlsdesc resolver */
#define DT_TLSDESC_GOT 0x6ffffef7  /* loc. of GOT for tlsdesc resolver */
#define DT_GNU_CONFLICT 0x6ffffef8 /* address of conflict section */
#define DT_GNU_LIBLIST 0x6ffffef9  /* address of library list */
#define DT_CONFIG 0x6ffffefa       /* configuration information */
#define DT_DEPAUDIT 0x6ffffefb     /* dependency auditing */
#define DT_AUDIT 0x6ffffefc        /* object auditing */
#define DT_PLTPAD 0x6ffffefd       /* pltpadding (sparcv9) */
#define DT_MOVETAB 0x6ffffefe      /* move table */
#define DT_SYMINFO 0x6ffffeff      /* syminfo table */
#define DT_ADDRRNGHI 0x6ffffeff

#define DT_VERSYM 0x6ffffff0     /* Address of versym section. */
#define DT_RELACOUNT 0x6ffffff9  /* number of RELATIVE relocations */
#define DT_RELCOUNT 0x6ffffffa   /* number of RELATIVE relocations */
#define DT_FLAGS_1 0x6ffffffb    /* state flags - see DF_1_* defs */
#define DT_VERDEF 0x6ffffffc     /* Address of verdef section. */
#define DT_VERDEFNUM 0x6ffffffd  /* Number of elems in verdef section */
#define DT_VERNEED 0x6ffffffe    /* Address of verneed section. */
#define DT_VERNEEDNUM 0x6fffffff /* Number of elems in verneed section */

#define DT_LOPROC 0x70000000 /* First processor-specific type. */

#define DT_ARM_SYMTABSZ 0x70000001
#define DT_ARM_PREEMPTMAP 0x70000002

#define DT_SPARC_REGISTER 0x70000001
#define DT_DEPRECATED_SPARC_REGISTER 0x7000001

#define DT_MIPS_RLD_VERSION 0x70000001
#define DT_MIPS_TIME_STAMP 0x70000002
#define DT_MIPS_ICHECKSUM 0x70000003
#define DT_MIPS_IVERSION 0x70000004
#define DT_MIPS_FLAGS 0x70000005
#define DT_MIPS_BASE_ADDRESS 0x70000006
#define DT_MIPS_CONFLICT 0x70000008
#define DT_MIPS_LIBLIST 0x70000009
#define DT_MIPS_LOCAL_GOTNO 0x7000000a
#define DT_MIPS_CONFLICTNO 0x7000000b
#define DT_MIPS_LIBLISTNO 0x70000010
#define DT_MIPS_SYMTABNO 0x70000011
#define DT_MIPS_UNREFEXTNO 0x70000012
#define DT_MIPS_GOTSYM 0x70000013
#define DT_MIPS_HIPAGENO 0x70000014
#define DT_MIPS_RLD_MAP 0x70000016
#define DT_MIPS_DELTA_CLASS 0x70000017
#define DT_MIPS_DELTA_CLASS_NO 0x70000018
#define DT_MIPS_DELTA_INSTANCE 0x70000019
#define DT_MIPS_DELTA_INSTANCE_NO 0x7000001A
#define DT_MIPS_DELTA_RELOC 0x7000001B
#define DT_MIPS_DELTA_RELOC_NO 0x7000001C
#define DT_MIPS_DELTA_SYM 0x7000001D
#define DT_MIPS_DELTA_SYM_NO 0x7000001E
#define DT_MIPS_DELTA_CLASSSYM 0x70000020
#define DT_MIPS_DELTA_CLASSSYM_NO 0x70000021
#define DT_MIPS_CXX_FLAGS 0x70000022
#define DT_MIPS_PIXIE_INIT 0x70000023
#define DT_MIPS_SYMBOL_LIB 0x70000024
#define DT_MIPS_LOCALPAGE_GOTIDX 0x70000025
#define DT_MIPS_LOCAL_GOTIDX 0x70000026
#define DT_MIPS_HIDDEN_GOTIDX 0x70000027
#define DT_MIPS_PROTECTED_GOTIDX 0x70000028
#define DT_MIPS_OPTIONS 0x70000029
#define DT_MIPS_INTERFACE 0x7000002A
#define DT_MIPS_DYNSTR_ALIGN 0x7000002B
#define DT_MIPS_INTERFACE_SIZE 0x7000002C
#define DT_MIPS_RLD_TEXT_RESOLVE_ADDR 0x7000002D
#define DT_MIPS_PERF_SUFFIX 0x7000002E
#define DT_MIPS_COMPACT_SIZE 0x7000002F
#define DT_MIPS_GP_VALUE 0x70000030
#define DT_MIPS_AUX_DYNAMIC 0x70000031
#define DT_MIPS_PLTGOT 0x70000032
#define DT_MIPS_RLD_OBJ_UPDATE 0x70000033
#define DT_MIPS_RWPLT 0x70000034

#define DT_PPC_GOT 0x70000000
#define DT_PPC_TLSOPT 0x70000001

#define DT_PPC64_GLINK 0x70000000
#define DT_PPC64_OPD 0x70000001
#define DT_PPC64_OPDSZ 0x70000002
#define DT_PPC64_TLSOPT 0x70000003

#define DT_AUXILIARY 0x7ffffffd /* shared library auxiliary name */
#define DT_USED 0x7ffffffe      /* ignored - same as needed */
#define DT_FILTER 0x7fffffff    /* shared library filter name */
#define DT_HIPROC 0x7fffffff    /* Last processor-specific type. */

/* Values for DT_FLAGS */
#define DF_ORIGIN                                                                                  \
    0x0001                 /* Indicates that the object being loaded may                           \
                  make reference to the $ORIGIN substitution                                       \
                  string */
#define DF_SYMBOLIC 0x0002 /* Indicates "symbolic" linking. */
#define DF_TEXTREL                                                                                 \
    0x0004 /* Indicates there may be relocations in                                                \
  non-writable segments. */
#define DF_BIND_NOW                                                                                \
    0x0008 /* Indicates that the dynamic linker should                                             \
  process all relocations for the object                                                           \
  containing this entry before transferring                                                        \
  control to the program. */
#define DF_STATIC_TLS                                                                              \
    0x0010 /* Indicates that the shared object or                                                  \
executable contains code using a static                                                            \
thread-local storage scheme. */

/* Values for DT_FLAGS_1 */
#define DF_1_BIND_NOW 0x00000001  /* Same as DF_BIND_NOW */
#define DF_1_GLOBAL 0x00000002    /* Set the RTLD_GLOBAL for object */
#define DF_1_NODELETE 0x00000008  /* Set the RTLD_NODELETE for object */
#define DF_1_LOADFLTR 0x00000010  /* Immediate loading of filtees */
#define DF_1_NOOPEN 0x00000040    /* Do not allow loading on dlopen() */
#define DF_1_ORIGIN 0x00000080    /* Process $ORIGIN */
#define DF_1_INTERPOSE 0x00000400 /* Interpose all objects but main */
#define DF_1_NODEFLIB 0x00000800  /* Do not search default paths */

/* Values for l_flags. */
#define LL_NONE 0x0           /* no flags */
#define LL_EXACT_MATCH 0x1    /* require an exact match */
#define LL_IGNORE_INT_VER 0x2 /* ignore version incompatibilities */
#define LL_REQUIRE_MINOR 0x4
#define LL_EXPORTS 0x8
#define LL_DELAY_LOAD 0x10
#define LL_DELTA 0x20

/* Values for n_type used in executables. */
#define NT_FREEBSD_ABI_TAG 1
#define NT_FREEBSD_NOINIT_TAG 2
#define NT_FREEBSD_ARCH_TAG 3

/* Values for n_type.  Used in core files. */
#define NT_PRSTATUS 1            /* Process status. */
#define NT_FPREGSET 2            /* Floating point registers. */
#define NT_PRPSINFO 3            /* Process state info. */
#define NT_THRMISC 7             /* Thread miscellaneous info. */
#define NT_PROCSTAT_PROC 8       /* Procstat proc data. */
#define NT_PROCSTAT_FILES 9      /* Procstat files data. */
#define NT_PROCSTAT_VMMAP 10     /* Procstat vmmap data. */
#define NT_PROCSTAT_GROUPS 11    /* Procstat groups data. */
#define NT_PROCSTAT_UMASK 12     /* Procstat umask data. */
#define NT_PROCSTAT_RLIMIT 13    /* Procstat rlimit data. */
#define NT_PROCSTAT_OSREL 14     /* Procstat osreldate data. */
#define NT_PROCSTAT_PSSTRINGS 15 /* Procstat ps_strings data. */
#define NT_PROCSTAT_AUXV 16      /* Procstat auxv data. */
#define NT_PPC_VMX 0x100         /* PowerPC Altivec/VMX registers */
#define NT_X86_XSTATE 0x202      /* x86 XSAVE extended state. */

/* Symbol Binding - ELFNN_ST_BIND - st_info */
#define STB_LOCAL 0       /* Local symbol */
#define STB_GLOBAL 1      /* Global symbol */
#define STB_WEAK 2        /* like global - lower precedence */
#define STB_LOOS 10       /* Start of operating system reserved range. */
#define STB_GNU_UNIQUE 10 /* Unique symbol (GNU) */
#define STB_HIOS 12       /* End of operating system reserved range. */
#define STB_LOPROC 13     /* reserved range for processor */
#define STB_HIPROC 15     /*   specific semantics. */

/* Symbol type - ELFNN_ST_TYPE - st_info */
#define STT_NOTYPE 0  /* Unspecified type. */
#define STT_OBJECT 1  /* Data object. */
#define STT_FUNC 2    /* Function. */
#define STT_SECTION 3 /* Section. */
#define STT_FILE 4    /* Source file. */
#define STT_COMMON 5  /* Uninitialized common block. */
#define STT_TLS 6     /* TLS object. */
#define STT_NUM 7
#define STT_LOOS 10 /* Reserved range for operating system */
#define STT_GNU_IFUNC 10
#define STT_HIOS 12           /*   specific semantics. */
#define STT_LOPROC 13         /* Start of processor reserved range. */
#define STT_SPARC_REGISTER 13 /* SPARC register information. */
#define STT_HIPROC 15         /* End of processor reserved range. */

/* Symbol visibility - ELFNN_ST_VISIBILITY - st_other */
#define STV_DEFAULT 0x0   /* Default visibility (see binding). */
#define STV_INTERNAL 0x1  /* Special meaning in relocatable objects. */
#define STV_HIDDEN 0x2    /* Not visible. */
#define STV_PROTECTED 0x3 /* Visible but not preemptible. */
#define STV_EXPORTED 0x4
#define STV_SINGLETON 0x5
#define STV_ELIMINATE 0x6

/* Special symbol table indexes. */
#define STN_UNDEF 0 /* Undefined symbol index. */

/* Symbol versioning flags. */
#define VER_DEF_CURRENT 1
#define VER_DEF_IDX(x) VER_NDX(x)

#define VER_FLG_BASE 0x01
#define VER_FLG_WEAK 0x02

#define VER_NEED_CURRENT 1
#define VER_NEED_WEAK (1u << 15)
#define VER_NEED_HIDDEN VER_NDX_HIDDEN
#define VER_NEED_IDX(x) VER_NDX(x)

#define VER_NDX_LOCAL 0
#define VER_NDX_GLOBAL 1
#define VER_NDX_GIVEN 2

#define VER_NDX_HIDDEN (1u << 15)
#define VER_NDX(x) ((x) & ~(1u << 15))

#define CA_SUNW_NULL 0
#define CA_SUNW_HW_1 1 /* first hardware capabilities entry */
#define CA_SUNW_SF_1 2 /* first software capabilities entry */

/*
 * Syminfo flag values
 */
#define SYMINFO_FLG_DIRECT 0x0001      /* symbol ref has direct association */
                                       /*	to object containing defn. */
#define SYMINFO_FLG_PASSTHRU 0x0002    /* ignored - see SYMINFO_FLG_FILTER */
#define SYMINFO_FLG_COPY 0x0004        /* symbol is a copy-reloc */
#define SYMINFO_FLG_LAZYLOAD 0x0008    /* object containing defn should be */
                                       /*	lazily-loaded */
#define SYMINFO_FLG_DIRECTBIND 0x0010  /* ref should be bound directly to */
                                       /*	object containing defn. */
#define SYMINFO_FLG_NOEXTDIRECT 0x0020 /* don't let an external reference */
                                       /*	directly bind to this symbol */
#define SYMINFO_FLG_FILTER 0x0002      /* symbol ref is associated to a */
#define SYMINFO_FLG_AUXILIARY 0x0040   /* 	standard or auxiliary filter */

/*
 * Syminfo.si_boundto values.
 */
#define SYMINFO_BT_SELF 0xffff       /* symbol bound to self */
#define SYMINFO_BT_PARENT 0xfffe     /* symbol bound to parent */
#define SYMINFO_BT_NONE 0xfffd       /* no special symbol binding */
#define SYMINFO_BT_EXTERN 0xfffc     /* symbol defined as external */
#define SYMINFO_BT_LOWRESERVE 0xff00 /* beginning of reserved entries */

/*
 * Syminfo version values.
 */
#define SYMINFO_NONE 0 /* Syminfo version */
#define SYMINFO_CURRENT 1
#define SYMINFO_NUM 2

/*
 * Relocation types.
 *
 * All machine architectures are defined here to allow tools on one to
 * handle others.
 */

#define R_386_NONE 0          /* No relocation. */
#define R_386_32 1            /* Add symbol value. */
#define R_386_PC32 2          /* Add PC-relative symbol value. */
#define R_386_GOT32 3         /* Add PC-relative GOT offset. */
#define R_386_PLT32 4         /* Add PC-relative PLT offset. */
#define R_386_COPY 5          /* Copy data from shared object. */
#define R_386_GLOB_DAT 6      /* Set GOT entry to data address. */
#define R_386_JMP_SLOT 7      /* Set GOT entry to code address. */
#define R_386_RELATIVE 8      /* Add load address of shared object. */
#define R_386_GOTOFF 9        /* Add GOT-relative symbol address. */
#define R_386_GOTPC 10        /* Add PC-relative GOT table address. */
#define R_386_TLS_TPOFF 14    /* Negative offset in static TLS block */
#define R_386_TLS_IE 15       /* Absolute address of GOT for -ve static TLS */
#define R_386_TLS_GOTIE 16    /* GOT entry for negative static TLS block */
#define R_386_TLS_LE 17       /* Negative offset relative to static TLS */
#define R_386_TLS_GD 18       /* 32 bit offset to GOT (index,off) pair */
#define R_386_TLS_LDM 19      /* 32 bit offset to GOT (index,zero) pair */
#define R_386_TLS_GD_32 24    /* 32 bit offset to GOT (index,off) pair */
#define R_386_TLS_GD_PUSH 25  /* pushl instruction for Sun ABI GD sequence */
#define R_386_TLS_GD_CALL 26  /* call instruction for Sun ABI GD sequence */
#define R_386_TLS_GD_POP 27   /* popl instruction for Sun ABI GD sequence */
#define R_386_TLS_LDM_32 28   /* 32 bit offset to GOT (index,zero) pair */
#define R_386_TLS_LDM_PUSH 29 /* pushl instruction for Sun ABI LD sequence */
#define R_386_TLS_LDM_CALL 30 /* call instruction for Sun ABI LD sequence */
#define R_386_TLS_LDM_POP 31  /* popl instruction for Sun ABI LD sequence */
#define R_386_TLS_LDO_32 32   /* 32 bit offset from start of TLS block */
#define R_386_TLS_IE_32 33    /* 32 bit offset to GOT static TLS offset entry */
#define R_386_TLS_LE_32 34    /* 32 bit offset within static TLS block */
#define R_386_TLS_DTPMOD32 35 /* GOT entry containing TLS index */
#define R_386_TLS_DTPOFF32 36 /* GOT entry containing TLS offset */
#define R_386_TLS_TPOFF32 37  /* GOT entry of -ve static TLS offset */
#define R_386_IRELATIVE 42    /* PLT entry resolved indirectly at runtime */

#define R_AARCH64_NONE 0         /* No relocation */
#define R_AARCH64_ABS64 257      /* Absolute offset */
#define R_AARCH64_ABS32 258      /* Absolute, 32-bit overflow check */
#define R_AARCH64_ABS16 259      /* Absolute, 16-bit overflow check */
#define R_AARCH64_PREL64 260     /* PC relative */
#define R_AARCH64_PREL32 261     /* PC relative, 32-bit overflow check */
#define R_AARCH64_PREL16 262     /* PC relative, 16-bit overflow check */
#define R_AARCH64_COPY 1024      /* Copy data from shared object */
#define R_AARCH64_GLOB_DAT 1025  /* Set GOT entry to data address */
#define R_AARCH64_JUMP_SLOT 1026 /* Set GOT entry to code address */
#define R_AARCH64_RELATIVE 1027  /* Add load address of shared object */
#define R_AARCH64_TLS_DTPREL64 1028
#define R_AARCH64_TLS_DTPMOD64 1029
#define R_AARCH64_TLS_TPREL64 1030
#define R_AARCH64_TLSDESC 1031 /* Identify the TLS descriptor */
#define R_AARCH64_IRELATIVE 1032

#define R_ARM_NONE 0 /* No relocation. */
#define R_ARM_PC24 1
#define R_ARM_ABS32 2
#define R_ARM_REL32 3
#define R_ARM_PC13 4
#define R_ARM_ABS16 5
#define R_ARM_ABS12 6
#define R_ARM_THM_ABS5 7
#define R_ARM_ABS8 8
#define R_ARM_SBREL32 9
#define R_ARM_THM_PC22 10
#define R_ARM_THM_PC8 11
#define R_ARM_AMP_VCALL9 12
#define R_ARM_SWI24 13
#define R_ARM_THM_SWI8 14
#define R_ARM_XPC25 15
#define R_ARM_THM_XPC22 16
/* TLS relocations */
#define R_ARM_TLS_DTPMOD32 17 /* ID of module containing symbol */
#define R_ARM_TLS_DTPOFF32 18 /* Offset in TLS block */
#define R_ARM_TLS_TPOFF32 19  /* Offset in static TLS block */
#define R_ARM_COPY 20         /* Copy data from shared object. */
#define R_ARM_GLOB_DAT 21     /* Set GOT entry to data address. */
#define R_ARM_JUMP_SLOT 22    /* Set GOT entry to code address. */
#define R_ARM_RELATIVE 23     /* Add load address of shared object. */
#define R_ARM_GOTOFF 24       /* Add GOT-relative symbol address. */
#define R_ARM_GOTPC 25        /* Add PC-relative GOT table address. */
#define R_ARM_GOT32 26        /* Add PC-relative GOT offset. */
#define R_ARM_PLT32 27        /* Add PC-relative PLT offset. */
#define R_ARM_GNU_VTENTRY 100
#define R_ARM_GNU_VTINHERIT 101
#define R_ARM_RSBREL32 250
#define R_ARM_THM_RPC22 251
#define R_ARM_RREL32 252
#define R_ARM_RABS32 253
#define R_ARM_RPC24 254
#define R_ARM_RBASE 255

/*	Name			Value	   Field	Calculation */
#define R_IA_64_NONE 0               /* None */
#define R_IA_64_IMM14 0x21           /* immediate14	S + A */
#define R_IA_64_IMM22 0x22           /* immediate22	S + A */
#define R_IA_64_IMM64 0x23           /* immediate64	S + A */
#define R_IA_64_DIR32MSB 0x24        /* word32 MSB	S + A */
#define R_IA_64_DIR32LSB 0x25        /* word32 LSB	S + A */
#define R_IA_64_DIR64MSB 0x26        /* word64 MSB	S + A */
#define R_IA_64_DIR64LSB 0x27        /* word64 LSB	S + A */
#define R_IA_64_GPREL22 0x2a         /* immediate22	@gprel(S + A) */
#define R_IA_64_GPREL64I 0x2b        /* immediate64	@gprel(S + A) */
#define R_IA_64_GPREL32MSB 0x2c      /* word32 MSB	@gprel(S + A) */
#define R_IA_64_GPREL32LSB 0x2d      /* word32 LSB	@gprel(S + A) */
#define R_IA_64_GPREL64MSB 0x2e      /* word64 MSB	@gprel(S + A) */
#define R_IA_64_GPREL64LSB 0x2f      /* word64 LSB	@gprel(S + A) */
#define R_IA_64_LTOFF22 0x32         /* immediate22	@ltoff(S + A) */
#define R_IA_64_LTOFF64I 0x33        /* immediate64	@ltoff(S + A) */
#define R_IA_64_PLTOFF22 0x3a        /* immediate22	@pltoff(S + A) */
#define R_IA_64_PLTOFF64I 0x3b       /* immediate64	@pltoff(S + A) */
#define R_IA_64_PLTOFF64MSB 0x3e     /* word64 MSB	@pltoff(S + A) */
#define R_IA_64_PLTOFF64LSB 0x3f     /* word64 LSB	@pltoff(S + A) */
#define R_IA_64_FPTR64I 0x43         /* immediate64	@fptr(S + A) */
#define R_IA_64_FPTR32MSB 0x44       /* word32 MSB	@fptr(S + A) */
#define R_IA_64_FPTR32LSB 0x45       /* word32 LSB	@fptr(S + A) */
#define R_IA_64_FPTR64MSB 0x46       /* word64 MSB	@fptr(S + A) */
#define R_IA_64_FPTR64LSB 0x47       /* word64 LSB	@fptr(S + A) */
#define R_IA_64_PCREL60B 0x48        /* immediate60 form1 S + A - P */
#define R_IA_64_PCREL21B 0x49        /* immediate21 form1 S + A - P */
#define R_IA_64_PCREL21M 0x4a        /* immediate21 form2 S + A - P */
#define R_IA_64_PCREL21F 0x4b        /* immediate21 form3 S + A - P */
#define R_IA_64_PCREL32MSB 0x4c      /* word32 MSB	S + A - P */
#define R_IA_64_PCREL32LSB 0x4d      /* word32 LSB	S + A - P */
#define R_IA_64_PCREL64MSB 0x4e      /* word64 MSB	S + A - P */
#define R_IA_64_PCREL64LSB 0x4f      /* word64 LSB	S + A - P */
#define R_IA_64_LTOFF_FPTR22 0x52    /* immediate22	@ltoff(@fptr(S + A)) */
#define R_IA_64_LTOFF_FPTR64I 0x53   /* immediate64	@ltoff(@fptr(S + A)) */
#define R_IA_64_LTOFF_FPTR32MSB 0x54 /* word32 MSB	@ltoff(@fptr(S + A)) */
#define R_IA_64_LTOFF_FPTR32LSB 0x55 /* word32 LSB	@ltoff(@fptr(S + A)) */
#define R_IA_64_LTOFF_FPTR64MSB 0x56 /* word64 MSB	@ltoff(@fptr(S + A)) */
#define R_IA_64_LTOFF_FPTR64LSB 0x57 /* word64 LSB	@ltoff(@fptr(S + A)) */
#define R_IA_64_SEGREL32MSB 0x5c     /* word32 MSB	@segrel(S + A) */
#define R_IA_64_SEGREL32LSB 0x5d     /* word32 LSB	@segrel(S + A) */
#define R_IA_64_SEGREL64MSB 0x5e     /* word64 MSB	@segrel(S + A) */
#define R_IA_64_SEGREL64LSB 0x5f     /* word64 LSB	@segrel(S + A) */
#define R_IA_64_SECREL32MSB 0x64     /* word32 MSB	@secrel(S + A) */
#define R_IA_64_SECREL32LSB 0x65     /* word32 LSB	@secrel(S + A) */
#define R_IA_64_SECREL64MSB 0x66     /* word64 MSB	@secrel(S + A) */
#define R_IA_64_SECREL64LSB 0x67     /* word64 LSB	@secrel(S + A) */
#define R_IA_64_REL32MSB 0x6c        /* word32 MSB	BD + A */
#define R_IA_64_REL32LSB 0x6d        /* word32 LSB	BD + A */
#define R_IA_64_REL64MSB 0x6e        /* word64 MSB	BD + A */
#define R_IA_64_REL64LSB 0x6f        /* word64 LSB	BD + A */
#define R_IA_64_LTV32MSB 0x74        /* word32 MSB	S + A */
#define R_IA_64_LTV32LSB 0x75        /* word32 LSB	S + A */
#define R_IA_64_LTV64MSB 0x76        /* word64 MSB	S + A */
#define R_IA_64_LTV64LSB 0x77        /* word64 LSB	S + A */
#define R_IA_64_PCREL21BI 0x79       /* immediate21 form1 S + A - P */
#define R_IA_64_PCREL22 0x7a         /* immediate22	S + A - P */
#define R_IA_64_PCREL64I 0x7b        /* immediate64	S + A - P */
#define R_IA_64_IPLTMSB 0x80         /* function descriptor MSB special */
#define R_IA_64_IPLTLSB 0x81         /* function descriptor LSB speciaal */
#define R_IA_64_SUB 0x85             /* immediate64	A - S */
#define R_IA_64_LTOFF22X 0x86        /* immediate22	special */
#define R_IA_64_LDXMOV 0x87          /* immediate22	special */
#define R_IA_64_TPREL14 0x91         /* imm14	@tprel(S + A) */
#define R_IA_64_TPREL22 0x92         /* imm22	@tprel(S + A) */
#define R_IA_64_TPREL64I 0x93        /* imm64	@tprel(S + A) */
#define R_IA_64_TPREL64MSB 0x96      /* word64 MSB	@tprel(S + A) */
#define R_IA_64_TPREL64LSB 0x97      /* word64 LSB	@tprel(S + A) */
#define R_IA_64_LTOFF_TPREL22 0x9a   /* imm22	@ltoff(@tprel(S+A)) */
#define R_IA_64_DTPMOD64MSB 0xa6     /* word64 MSB	@dtpmod(S + A) */
#define R_IA_64_DTPMOD64LSB 0xa7     /* word64 LSB	@dtpmod(S + A) */
#define R_IA_64_LTOFF_DTPMOD22 0xaa  /* imm22	@ltoff(@dtpmod(S+A)) */
#define R_IA_64_DTPREL14 0xb1        /* imm14	@dtprel(S + A) */
#define R_IA_64_DTPREL22 0xb2        /* imm22	@dtprel(S + A) */
#define R_IA_64_DTPREL64I 0xb3       /* imm64	@dtprel(S + A) */
#define R_IA_64_DTPREL32MSB 0xb4     /* word32 MSB	@dtprel(S + A) */
#define R_IA_64_DTPREL32LSB 0xb5     /* word32 LSB	@dtprel(S + A) */
#define R_IA_64_DTPREL64MSB 0xb6     /* word64 MSB	@dtprel(S + A) */
#define R_IA_64_DTPREL64LSB 0xb7     /* word64 LSB	@dtprel(S + A) */
#define R_IA_64_LTOFF_DTPREL22 0xba  /* imm22	@ltoff(@dtprel(S+A)) */

#define R_MIPS_NONE 0     /* No reloc */
#define R_MIPS_16 1       /* Direct 16 bit */
#define R_MIPS_32 2       /* Direct 32 bit */
#define R_MIPS_REL32 3    /* PC relative 32 bit */
#define R_MIPS_26 4       /* Direct 26 bit shifted */
#define R_MIPS_HI16 5     /* High 16 bit */
#define R_MIPS_LO16 6     /* Low 16 bit */
#define R_MIPS_GPREL16 7  /* GP relative 16 bit */
#define R_MIPS_LITERAL 8  /* 16 bit literal entry */
#define R_MIPS_GOT16 9    /* 16 bit GOT entry */
#define R_MIPS_PC16 10    /* PC relative 16 bit */
#define R_MIPS_CALL16 11  /* 16 bit GOT entry for function */
#define R_MIPS_GPREL32 12 /* GP relative 32 bit */
#define R_MIPS_64 18      /* Direct 64 bit */
#define R_MIPS_GOT_DISP 19
#define R_MIPS_GOT_PAGE 20
#define R_MIPS_GOT_OFST 21
#define R_MIPS_GOT_HI16 22 /* GOT HI 16 bit */
#define R_MIPS_GOT_LO16 23 /* GOT LO 16 bit */
#define R_MIPS_SUB 24
#define R_MIPS_CALLHI16 30 /* upper 16 bit GOT entry for function */
#define R_MIPS_CALLLO16 31 /* lower 16 bit GOT entry for function */
#define R_MIPS_JALR 37
#define R_MIPS_TLS_GD 42

#define R_PPC_NONE 0 /* No relocation. */
#define R_PPC_ADDR32 1
#define R_PPC_ADDR24 2
#define R_PPC_ADDR16 3
#define R_PPC_ADDR16_LO 4
#define R_PPC_ADDR16_HI 5
#define R_PPC_ADDR16_HA 6
#define R_PPC_ADDR14 7
#define R_PPC_ADDR14_BRTAKEN 8
#define R_PPC_ADDR14_BRNTAKEN 9
#define R_PPC_REL24 10
#define R_PPC_REL14 11
#define R_PPC_REL14_BRTAKEN 12
#define R_PPC_REL14_BRNTAKEN 13
#define R_PPC_GOT16 14
#define R_PPC_GOT16_LO 15
#define R_PPC_GOT16_HI 16
#define R_PPC_GOT16_HA 17
#define R_PPC_PLTREL24 18
#define R_PPC_COPY 19
#define R_PPC_GLOB_DAT 20
#define R_PPC_JMP_SLOT 21
#define R_PPC_RELATIVE 22
#define R_PPC_LOCAL24PC 23
#define R_PPC_UADDR32 24
#define R_PPC_UADDR16 25
#define R_PPC_REL32 26
#define R_PPC_PLT32 27
#define R_PPC_PLTREL32 28
#define R_PPC_PLT16_LO 29
#define R_PPC_PLT16_HI 30
#define R_PPC_PLT16_HA 31
#define R_PPC_SDAREL16 32
#define R_PPC_SECTOFF 33
#define R_PPC_SECTOFF_LO 34
#define R_PPC_SECTOFF_HI 35
#define R_PPC_SECTOFF_HA 36

/*
 * 64-bit relocations
 */
#define R_PPC64_ADDR64 38
#define R_PPC64_ADDR16_HIGHER 39
#define R_PPC64_ADDR16_HIGHERA 40
#define R_PPC64_ADDR16_HIGHEST 41
#define R_PPC64_ADDR16_HIGHESTA 42
#define R_PPC64_UADDR64 43
#define R_PPC64_REL64 44
#define R_PPC64_PLT64 45
#define R_PPC64_PLTREL64 46
#define R_PPC64_TOC16 47
#define R_PPC64_TOC16_LO 48
#define R_PPC64_TOC16_HI 49
#define R_PPC64_TOC16_HA 50
#define R_PPC64_TOC 51
#define R_PPC64_DTPMOD64 68
#define R_PPC64_TPREL64 73
#define R_PPC64_DTPREL64 78

/*
 * TLS relocations
 */
#define R_PPC_TLS 67
#define R_PPC_DTPMOD32 68
#define R_PPC_TPREL16 69
#define R_PPC_TPREL16_LO 70
#define R_PPC_TPREL16_HI 71
#define R_PPC_TPREL16_HA 72
#define R_PPC_TPREL32 73
#define R_PPC_DTPREL16 74
#define R_PPC_DTPREL16_LO 75
#define R_PPC_DTPREL16_HI 76
#define R_PPC_DTPREL16_HA 77
#define R_PPC_DTPREL32 78
#define R_PPC_GOT_TLSGD16 79
#define R_PPC_GOT_TLSGD16_LO 80
#define R_PPC_GOT_TLSGD16_HI 81
#define R_PPC_GOT_TLSGD16_HA 82
#define R_PPC_GOT_TLSLD16 83
#define R_PPC_GOT_TLSLD16_LO 84
#define R_PPC_GOT_TLSLD16_HI 85
#define R_PPC_GOT_TLSLD16_HA 86
#define R_PPC_GOT_TPREL16 87
#define R_PPC_GOT_TPREL16_LO 88
#define R_PPC_GOT_TPREL16_HI 89
#define R_PPC_GOT_TPREL16_HA 90

/*
 * The remaining relocs are from the Embedded ELF ABI, and are not in the
 *  SVR4 ELF ABI.
 */

#define R_PPC_EMB_NADDR32 101
#define R_PPC_EMB_NADDR16 102
#define R_PPC_EMB_NADDR16_LO 103
#define R_PPC_EMB_NADDR16_HI 104
#define R_PPC_EMB_NADDR16_HA 105
#define R_PPC_EMB_SDAI16 106
#define R_PPC_EMB_SDA2I16 107
#define R_PPC_EMB_SDA2REL 108
#define R_PPC_EMB_SDA21 109
#define R_PPC_EMB_MRKREF 110
#define R_PPC_EMB_RELSEC16 111
#define R_PPC_EMB_RELST_LO 112
#define R_PPC_EMB_RELST_HI 113
#define R_PPC_EMB_RELST_HA 114
#define R_PPC_EMB_BIT_FLD 115
#define R_PPC_EMB_RELSDA 116

/*
 * RISC-V relocation types.
 */

/* Relocation types used by the dynamic linker. */
#define R_RISCV_NONE 0
#define R_RISCV_32 1
#define R_RISCV_64 2
#define R_RISCV_RELATIVE 3
#define R_RISCV_COPY 4
#define R_RISCV_JUMP_SLOT 5
#define R_RISCV_TLS_DTPMOD32 6
#define R_RISCV_TLS_DTPMOD64 7
#define R_RISCV_TLS_DTPREL32 8
#define R_RISCV_TLS_DTPREL64 9
#define R_RISCV_TLS_TPREL32 10
#define R_RISCV_TLS_TPREL64 11

/* Relocation types not used by the dynamic linker. */
#define R_RISCV_BRANCH 16
#define R_RISCV_JAL 17
#define R_RISCV_CALL 18
#define R_RISCV_CALL_PLT 19
#define R_RISCV_GOT_HI20 20
#define R_RISCV_TLS_GOT_HI20 21
#define R_RISCV_TLS_GD_HI20 22
#define R_RISCV_PCREL_HI20 23
#define R_RISCV_PCREL_LO12_I 24
#define R_RISCV_PCREL_LO12_S 25
#define R_RISCV_HI20 26
#define R_RISCV_LO12_I 27
#define R_RISCV_LO12_S 28
#define R_RISCV_TPREL_HI20 29
#define R_RISCV_TPREL_LO12_I 30
#define R_RISCV_TPREL_LO12_S 31
#define R_RISCV_TPREL_ADD 32
#define R_RISCV_ADD8 33
#define R_RISCV_ADD16 34
#define R_RISCV_ADD32 35
#define R_RISCV_ADD64 36
#define R_RISCV_SUB8 37
#define R_RISCV_SUB16 38
#define R_RISCV_SUB32 39
#define R_RISCV_SUB64 40
#define R_RISCV_GNU_VTINHERIT 41
#define R_RISCV_GNU_VTENTRY 42
#define R_RISCV_ALIGN 43
#define R_RISCV_RVC_BRANCH 44
#define R_RISCV_RVC_JUMP 45

#define R_SPARC_NONE 0
#define R_SPARC_8 1
#define R_SPARC_16 2
#define R_SPARC_32 3
#define R_SPARC_DISP8 4
#define R_SPARC_DISP16 5
#define R_SPARC_DISP32 6
#define R_SPARC_WDISP30 7
#define R_SPARC_WDISP22 8
#define R_SPARC_HI22 9
#define R_SPARC_22 10
#define R_SPARC_13 11
#define R_SPARC_LO10 12
#define R_SPARC_GOT10 13
#define R_SPARC_GOT13 14
#define R_SPARC_GOT22 15
#define R_SPARC_PC10 16
#define R_SPARC_PC22 17
#define R_SPARC_WPLT30 18
#define R_SPARC_COPY 19
#define R_SPARC_GLOB_DAT 20
#define R_SPARC_JMP_SLOT 21
#define R_SPARC_RELATIVE 22
#define R_SPARC_UA32 23
#define R_SPARC_PLT32 24
#define R_SPARC_HIPLT22 25
#define R_SPARC_LOPLT10 26
#define R_SPARC_PCPLT32 27
#define R_SPARC_PCPLT22 28
#define R_SPARC_PCPLT10 29
#define R_SPARC_10 30
#define R_SPARC_11 31
#define R_SPARC_64 32
#define R_SPARC_OLO10 33
#define R_SPARC_HH22 34
#define R_SPARC_HM10 35
#define R_SPARC_LM22 36
#define R_SPARC_PC_HH22 37
#define R_SPARC_PC_HM10 38
#define R_SPARC_PC_LM22 39
#define R_SPARC_WDISP16 40
#define R_SPARC_WDISP19 41
#define R_SPARC_GLOB_JMP 42
#define R_SPARC_7 43
#define R_SPARC_5 44
#define R_SPARC_6 45
#define R_SPARC_DISP64 46
#define R_SPARC_PLT64 47
#define R_SPARC_HIX22 48
#define R_SPARC_LOX10 49
#define R_SPARC_H44 50
#define R_SPARC_M44 51
#define R_SPARC_L44 52
#define R_SPARC_REGISTER 53
#define R_SPARC_UA64 54
#define R_SPARC_UA16 55
#define R_SPARC_TLS_GD_HI22 56
#define R_SPARC_TLS_GD_LO10 57
#define R_SPARC_TLS_GD_ADD 58
#define R_SPARC_TLS_GD_CALL 59
#define R_SPARC_TLS_LDM_HI22 60
#define R_SPARC_TLS_LDM_LO10 61
#define R_SPARC_TLS_LDM_ADD 62
#define R_SPARC_TLS_LDM_CALL 63
#define R_SPARC_TLS_LDO_HIX22 64
#define R_SPARC_TLS_LDO_LOX10 65
#define R_SPARC_TLS_LDO_ADD 66
#define R_SPARC_TLS_IE_HI22 67
#define R_SPARC_TLS_IE_LO10 68
#define R_SPARC_TLS_IE_LD 69
#define R_SPARC_TLS_IE_LDX 70
#define R_SPARC_TLS_IE_ADD 71
#define R_SPARC_TLS_LE_HIX22 72
#define R_SPARC_TLS_LE_LOX10 73
#define R_SPARC_TLS_DTPMOD32 74
#define R_SPARC_TLS_DTPMOD64 75
#define R_SPARC_TLS_DTPOFF32 76
#define R_SPARC_TLS_DTPOFF64 77
#define R_SPARC_TLS_TPOFF32 78
#define R_SPARC_TLS_TPOFF64 79

#define R_X86_64_NONE 0      /* No relocation. */
#define R_X86_64_64 1        /* Add 64 bit symbol value. */
#define R_X86_64_PC32 2      /* PC-relative 32 bit signed sym value. */
#define R_X86_64_GOT32 3     /* PC-relative 32 bit GOT offset. */
#define R_X86_64_PLT32 4     /* PC-relative 32 bit PLT offset. */
#define R_X86_64_COPY 5      /* Copy data from shared object. */
#define R_X86_64_GLOB_DAT 6  /* Set GOT entry to data address. */
#define R_X86_64_JMP_SLOT 7  /* Set GOT entry to code address. */
#define R_X86_64_RELATIVE 8  /* Add load address of shared object. */
#define R_X86_64_GOTPCREL 9  /* Add 32 bit signed pcrel offset to GOT. */
#define R_X86_64_32 10       /* Add 32 bit zero extended symbol value */
#define R_X86_64_32S 11      /* Add 32 bit sign extended symbol value */
#define R_X86_64_16 12       /* Add 16 bit zero extended symbol value */
#define R_X86_64_PC16 13     /* Add 16 bit signed extended pc relative symbol value */
#define R_X86_64_8 14        /* Add 8 bit zero extended symbol value */
#define R_X86_64_PC8 15      /* Add 8 bit signed extended pc relative symbol value */
#define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */
#define R_X86_64_DTPOFF64 17 /* Offset in TLS block */
#define R_X86_64_TPOFF64 18  /* Offset in static TLS block */
#define R_X86_64_TLSGD 19    /* PC relative offset to GD GOT entry */
#define R_X86_64_TLSLD 20    /* PC relative offset to LD GOT entry */
#define R_X86_64_DTPOFF32 21 /* Offset in TLS block */
#define R_X86_64_GOTTPOFF 22 /* PC relative offset to IE GOT entry */
#define R_X86_64_TPOFF32 23  /* Offset in static TLS block */
#define R_X86_64_PC64 24     /* PC-relative 64 bit signed sym value. */
#define R_X86_64_GOTOFF64 25
#define R_X86_64_GOTPC32 26
#define R_X86_64_GOT64 27
#define R_X86_64_GOTPCREL64 28
#define R_X86_64_GOTPC64 29
#define R_X86_64_GOTPLT64 30
#define R_X86_64_PLTOFF64 31
#define R_X86_64_SIZE32 32
#define R_X86_64_SIZE64 33
#define R_X86_64_GOTPC32_TLSDESC 34
#define R_X86_64_TLSDESC_CALL 35
#define R_X86_64_TLSDESC 36
#define R_X86_64_IRELATIVE 37

/*
 * ELF definitions common to all 64-bit architectures.
 */

typedef uint64_t Elf64_Addr;
typedef uint16_t Elf64_Half;
typedef uint64_t Elf64_Off;
typedef int32_t Elf64_Sword;
typedef int64_t Elf64_Sxword;
typedef uint32_t Elf64_Word;
typedef uint64_t Elf64_Lword;
typedef uint64_t Elf64_Xword;

/*
 * Types of dynamic symbol hash table bucket and chain elements.
 *
 * This is inconsistent among 64 bit architectures, so a machine dependent
 * typedef is required.
 */

typedef Elf64_Word Elf64_Hashelt;

/* Non-standard class-dependent datatype used for abstraction. */
typedef Elf64_Xword Elf64_Size;
typedef Elf64_Sxword Elf64_Ssize;

/*
 * ELF header.
 */

typedef struct elf64_ehdr {
    unsigned char e_ident[EI_NIDENT]; /* File identification. */
    Elf64_Half e_type;                /* File type. */
    Elf64_Half e_machine;             /* Machine architecture. */
    Elf64_Word e_version;             /* ELF format version. */
    Elf64_Addr e_entry;               /* Entry point. */
    Elf64_Off e_phoff;                /* Program header file offset. */
    Elf64_Off e_shoff;                /* Section header file offset. */
    Elf64_Word e_flags;               /* Architecture-specific flags. */
    Elf64_Half e_ehsize;              /* Size of ELF header in bytes. */
    Elf64_Half e_phentsize;           /* Size of program header entry. */
    Elf64_Half e_phnum;               /* Number of program header entries. */
    Elf64_Half e_shentsize;           /* Size of section header entry. */
    Elf64_Half e_shnum;               /* Number of section header entries. */
    Elf64_Half e_shstrndx;            /* Section name strings section. */
} Elf64_Ehdr;

/*
 * Shared object information, found in SHT_MIPS_LIBLIST.
 */

typedef struct elf64_lib {
    Elf64_Word l_name;       /* The name of a shared object. */
    Elf64_Word l_time_stamp; /* 64-bit timestamp. */
    Elf64_Word l_checksum;   /* Checksum of visible symbols, sizes. */
    Elf64_Word l_version;    /* Interface version string index. */
    Elf64_Word l_flags;      /* Flags (LL_*). */
} Elf64_Lib;

/*
 * Section header.
 */

typedef struct elf64_shdr {
    Elf64_Word sh_name;       /* Section name (index into the
                         section header string table). */
    Elf64_Word sh_type;       /* Section type. */
    Elf64_Xword sh_flags;     /* Section flags. */
    Elf64_Addr sh_addr;       /* Address in memory image. */
    Elf64_Off sh_offset;      /* Offset in file. */
    Elf64_Xword sh_size;      /* Size in bytes. */
    Elf64_Word sh_link;       /* Index of a related section. */
    Elf64_Word sh_info;       /* Depends on section type. */
    Elf64_Xword sh_addralign; /* Alignment in bytes. */
    Elf64_Xword sh_entsize;   /* Size of each entry in section. */
} Elf64_Shdr;

/*
 * Program header.
 */

typedef struct elf64_phdr {
    Elf64_Word p_type;    /* Entry type. */
    Elf64_Word p_flags;   /* Access permission flags. */
    Elf64_Off p_offset;   /* File offset of contents. */
    Elf64_Addr p_vaddr;   /* Virtual address in memory image. */
    Elf64_Addr p_paddr;   /* Physical address (not used). */
    Elf64_Xword p_filesz; /* Size of contents in file. */
    Elf64_Xword p_memsz;  /* Size of contents in memory. */
    Elf64_Xword p_align;  /* Alignment in memory and file. */
} Elf64_Phdr;

/*
 * Dynamic structure.  The ".dynamic" section contains an array of them.
 */

typedef struct elf64_dyn {
    Elf64_Sxword d_tag; /* Entry type. */
    union {
        Elf64_Xword d_val; /* Integer value. */
        Elf64_Addr d_ptr;  /* Address value. */
    } d_un;
} Elf64_Dyn;

/*
 * Relocation entries.
 */

/* Relocations that don't need an addend field. */
typedef struct elf64_rel {
    Elf64_Addr r_offset; /* Location to be relocated. */
    Elf64_Xword r_info;  /* Relocation type and symbol index. */
} Elf64_Rel;

/* Relocations that need an addend field. */
typedef struct elf64_rela {
    Elf64_Addr r_offset;   /* Location to be relocated. */
    Elf64_Xword r_info;    /* Relocation type and symbol index. */
    Elf64_Sxword r_addend; /* Addend. */
} Elf64_Rela;

/* Macros for accessing the fields of r_info. */
#define ELF64_R_SYM(info) ((info) >> 32)
#define ELF64_R_TYPE(info) ((info)&0xffffffffL)

/* Macro for constructing r_info from field values. */
#define ELF64_R_INFO(sym, type) (((sym) << 32) + ((type)&0xffffffffL))

#define ELF64_R_TYPE_DATA(info) (((Elf64_Xword)(info) << 32) >> 40)
#define ELF64_R_TYPE_ID(info) (((Elf64_Xword)(info) << 56) >> 56)
#define ELF64_R_TYPE_INFO(data, type) (((Elf64_Xword)(data) << 8) + (Elf64_Xword)(type))

/*
 *	Note entry header
 */
typedef Elf_Note Elf64_Nhdr;

/*
 *	Move entry
 */
typedef struct elf64_move {
    Elf64_Lword m_value;   /* symbol value */
    Elf64_Xword m_info;    /* size + index */
    Elf64_Xword m_poffset; /* symbol offset */
    Elf64_Half m_repeat;   /* repeat count */
    Elf64_Half m_stride;   /* stride info */
} Elf64_Move;

#define ELF64_M_SYM(info) ((info) >> 8)
#define ELF64_M_SIZE(info) ((unsigned char)(info))
#define ELF64_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))

/*
 *	Hardware/Software capabilities entry
 */
typedef struct elf64_cap {
    Elf64_Xword c_tag; /* how to interpret value */
    union {
        Elf64_Xword c_val;
        Elf64_Addr c_ptr;
    } c_un;
} Elf64_Cap;

/*
 * Symbol table entries.
 */

typedef struct elf64_sym {
    Elf64_Word st_name;     /* String table index of name. */
    unsigned char st_info;  /* Type and binding information. */
    unsigned char st_other; /* Reserved (not used). */
    Elf64_Half st_shndx;    /* Section index of symbol. */
    Elf64_Addr st_value;    /* Symbol value. */
    Elf64_Xword st_size;    /* Size of associated object. */
} Elf64_Sym;

/* Macros for accessing the fields of st_info. */
#define ELF64_ST_BIND(info) ((info) >> 4)
#define ELF64_ST_TYPE(info) ((info)&0xf)

/* Macro for constructing st_info from field values. */
#define ELF64_ST_INFO(bind, type) (((bind) << 4) + ((type)&0xf))

/* Macro for accessing the fields of st_other. */
#define ELF64_ST_VISIBILITY(oth) ((oth)&0x3)

/* Structures used by Sun & GNU-style symbol versioning. */
typedef struct elf64_verdef {
    Elf64_Half vd_version;
    Elf64_Half vd_flags;
    Elf64_Half vd_ndx;
    Elf64_Half vd_cnt;
    Elf64_Word vd_hash;
    Elf64_Word vd_aux;
    Elf64_Word vd_next;
} Elf64_Verdef;

typedef struct elf64_verdaux {
    Elf64_Word vda_name;
    Elf64_Word vda_next;
} Elf64_Verdaux;

typedef struct elf64_verneed {
    Elf64_Half vn_version;
    Elf64_Half vn_cnt;
    Elf64_Word vn_file;
    Elf64_Word vn_aux;
    Elf64_Word vn_next;
} Elf64_Verneed;

typedef struct elf64_vernaux {
    Elf64_Word vna_hash;
    Elf64_Half vna_flags;
    Elf64_Half vna_other;
    Elf64_Word vna_name;
    Elf64_Word vna_next;
} Elf64_Vernaux;

typedef Elf64_Half Elf64_Versym;

typedef struct elf64_syminfo {
    Elf64_Half si_boundto; /* direct bindings - symbol bound to */
    Elf64_Half si_flags;   /* per symbol flags */
} Elf64_Syminfo;
